Construct array/vector type DIEs using DebugInfo.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61724 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/AsmPrinter/DwarfWriter.cpp b/lib/CodeGen/AsmPrinter/DwarfWriter.cpp
index 30f14b7..af41982 100644
--- a/lib/CodeGen/AsmPrinter/DwarfWriter.cpp
+++ b/lib/CodeGen/AsmPrinter/DwarfWriter.cpp
@@ -1512,6 +1512,7 @@
AddUInt(&Buffer, DW_AT_byte_size, 0, Size);
}
+ /// ConstructType - Construct derived type die from DIDerivedType.
void ConstructType(CompileUnit *DW_Unit, DIE &Buffer,
DIDerivedType *DTy) {
@@ -1540,6 +1541,45 @@
// FIXME - Enable this. AddSourceLine(&Buffer, *DTy);
}
+ // ConstructSubrangeDIE - Construct subrange DIE from DISubrange.
+ void ConstructSubrangeDIE (DIE &Buffer, DISubrange *SR, DIE *IndexTy) {
+ int64_t L = SR->getLo();
+ int64_t H = SR->getHi();
+ DIE *DW_Subrange = new DIE(DW_TAG_subrange_type);
+ if (L != H) {
+ AddDIEntry(DW_Subrange, DW_AT_type, DW_FORM_ref4, IndexTy);
+ if (L)
+ AddSInt(DW_Subrange, DW_AT_lower_bound, 0, L);
+ AddSInt(DW_Subrange, DW_AT_upper_bound, 0, H);
+ }
+ Buffer.AddChild(DW_Subrange);
+ }
+
+ /// ConstructArrayTypeDIE - Construct array type DIE from DICompositeType.
+ void ConstructArrayTypeDIE(CompileUnit *DW_Unit, DIE &Buffer,
+ DICompositeType *CTy) {
+ Buffer.setTag(DW_TAG_array_type);
+ if (CTy->getTag() == DW_TAG_vector_type)
+ AddUInt(&Buffer, DW_AT_GNU_vector, DW_FORM_flag, 1);
+
+ DIArray Elements = CTy->getTypeArray();
+ // FIXME - Enable this.
+ // AddType(&Buffer, CTy->getTypeDerivedFrom(), DW_Unit);
+
+ // Construct an anonymous type for index type.
+ DIE IdxBuffer(DW_TAG_base_type);
+ AddUInt(&IdxBuffer, DW_AT_byte_size, 0, sizeof(int32_t));
+ AddUInt(&IdxBuffer, DW_AT_encoding, DW_FORM_data1, DW_ATE_signed);
+ DIE *IndexTy = DW_Unit->AddDie(IdxBuffer);
+
+ // Add subranges to array type.
+ for (unsigned i = 0, N = Elements.getNumElements(); i < N; ++i) {
+ DISubrange Element = Elements.getElement(i);
+ ConstructSubrangeDIE(Buffer, &Element, IndexTy);
+ }
+ }
+
+
/// ConstructType - Adds all the required attributes to the type.
///
void ConstructType(DIE &Buffer, TypeDesc *TyDesc, CompileUnit *Unit) {